@@ -831,6 +831,8 @@ static void CreateDesertOrRainForest()
for (TileIndex tile = 0; tile != MapSize(); ++tile) {
if ((tile % update_freq) == 0) IncreaseGeneratingWorldProgress(GWP_LANDSCAPE);
if (!IsValidTile(tile)) continue;
for (data = _make_desert_or_rainforest_data;
data != endof(_make_desert_or_rainforest_data); ++data) {
TileIndex t = AddTileIndexDiffCWrap(tile, *data);
@@ -849,6 +851,8 @@ static void CreateDesertOrRainForest()